Environmentalists have long complained that GDP treats the despoliation of the planet as a plus (via the resulting economic output) rather than a minus (forests destroyed).

• 长久以来，环境学家一直在抱怨，他们认为GDP视掠夺地球为一道加法题（通过作为结果的贸易出口量）而不是一道减法题（如森林破坏）。